Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This adds av_warn_unused_result to functions whose return codes need to
be checked.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

av_dynarray_add_nofree function have similar functionality
as existing av_dynarray_add, but it doesn't deallocate memory
on fails.
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>

size_t is guaranteed to be unsigned
Signed-off-by: Anton Khirnov <anton@khirnov.net>

realloc() does not accept pointers from memalign().

These help avoiding overflows and simplify error handling.
Signed-off-by: Martin Storsjö <martin@martin.st>

Based on a patch by Clément Bœsch.

See thread:
From: Clément Bœsch <ubitux@gmail.com>
Subject: [FFmpeg-devel] [PATCH 1/5] lavu: add av_dynarray_alloc_elem().
Date: Sun, 14 Apr 2013 03:07:54 +0200

Also extend documentation accordingly.

In particular, mention the fact that the amortized element addition cost
is constant.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The function is used elsewhere and does not belong with the LZO code.

Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Martin Storsjö <martin@martin.st>

Both function ease allocating large arrays implementing the overflow
check inside it.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Introduce a basic layout, the subpages are currently left empty.

Split libavutil in multiple groups as example of the structure

av_realloc_f helps avoiding memory-leaks in typical uses of realloc.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

av_size_mult helps checking for overflow when computing the size of a memory
area.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

With unknown attribute warnings disabled, these checks are no
longer needed.  Removing them improves readability while having
no effect on generated code.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

__ICC is not supported on all platforms, this is an Intel documentation
bug that is supposed to be fixed in a future release.
(Intel issue 612289)

This is consistent with most of the other attribute macros.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 365e3c78)

This is consistent with most of the other attribute macros.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Originally committed as revision 26073 to svn://svn.ffmpeg.org/ffmpeg/trunk

with the next major bump in libavutil.

Originally committed as revision 25871 to svn://svn.ffmpeg.org/ffmpeg/trunk

Intel C compiler 12.0 does not suport these attributes: may_alias, force_align_arg_pointer and alloc_size.

Originally committed as revision 25716 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk